Chemistry Chapter 1 Mock Test

Which of the following is a nitric acid anhydride

NO
\(NO_2\)
\(N_2O_5\)
\(N_2O_3\)

An aqueous solution of glucose is 20% in strength. The volume in which 1 g mole of it is dissolved will be

1. 9L
2. 1.8 L
3. 8L
4. 0.9 L

In above reaction A and B are respectively

\(C_{2}H_{5}-OH and CH_{2} = CH_{2}\)
\(C_{2}H_{5}-CHO and C_{2}H_{5}OH\)
\(CH_{3}-CH_{2}-CH_{2}-OH and CH_{3}-CH=CH_{2}\)
\(CH_{3}-CH=CH_{2} and CH_{3}-CH_{2}-CH_{2}-OH\)

Zinc sulphate contains 22.65% of zinc and 43.9% of water of crystallization. If the law of constant proportions is true, then what will be the weight of zinc required to produce 20 g of the crystals?

453 g
45.3 g
4.53 g
0.453 g

The equivalent weight of MnS0₄ is half its molecular weight, when it is converted to

MnO\(_{4}^{2-}\)
MnO\(_{4}\)
MnO\(_{2}\)
Mn\(_{2}O_{3}\)

The atomic weights of two elements A and Bare 40 and 80 respectively. How many atoms are present in 2x g of B if x g of A contains y atoms?

1: 2 Y
2: Y
3: \(\frac{Y}{2}\)
4: \(\frac{Y}{4}\)

Which will not undergo SN¹ reaction ?

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The amount of water\(_{(g)}\)produced by the combustion of 16 g of methane is

16
36
18
32

A compound formed by elements A and B crystallises in cubic structure in which A atoms are at the comers of the cube while B atoms are at the centre of cube. Formula of the compound is

A[latex]_{2}B_{3}[/latex]
AB[latex]_{2}[/latex]
AB[latex]_{3}[/latex
AB

Which of the reagent among four alternative choice will lead the given conversion ?

H\(_{2}O,H_{2}SO_{4}\)
O\(_{2}\)
\(CrO_{3},H_{2}SO_{4}\)
MCPBA

Given P = 0.0030 m. Q = 2.40 m. R = 3000 m. Find the significant figures in P. Q and R respectively.

4,2,3
4,2,1
2, 3, 4
2, 2, 1

One sample of atmospheric air is found to have 0.03% of carton dioxide while another sample have 0.04%. This demonstrates

air is a mixture
he law of multiple proportions is true
air is a compound
the law of constant composition is not always true

Find the number of atoms in one mole of sucrose \((c_{12}h_{22}o_{11})\).

\(5\times 6.62 \times 10^{23}\)atoms/mole
\(45\times 6.02 \times 10^{23}\) atoms/mole
\(5\times 6.02 \times 10^{23}\) atoms/mole
None of these

On the extreme left are groups I and II elements. These include alkali and alkaline earth metals or s-block elements. These elements have strong electropositive character. Now which of the following has largest size in aqueous ion?

\(Rb^{+}\)
\(Na^{+}\)
\(K^{+}\)
\(Li^{+}\)

Find the total numher of gm-molecules of SO\(_{2}CI_{2}\) in 13.5 g of sulphuryl chloride.

0.4
0.3
0.2
0.1

A
B
C
D

The process of breaking or cleavage of a covalent bond is known as

Bond fusion
Bond energy
Bond length
Bond fission

Complete combustion of 0.858 g of compound ‘X’ gives 1.28 g of h\(_{2}\)o and 2.63 g of CO\(_{2}\)’X’ can have lowest molecular mass of:

172 g
129 g
86 g
43 g

The equivalent weight of Na₂s₂o₃ (mol. wt. = M) in the reaction 2 \(Na_{2}S_{2}O_{3}+l_{2}\rightarrow\) Na₂s₄o₆+ 2 Nal is.

\(\frac{M}{2}\)
M
\(\frac{M}{3}\)
\(\frac{M}{4}\)

An Element X with electronic configuration 1s² 2s². 2p⁶, 3s², would be expected to form the chloride with the formula

[latex]XCI_{3}[/latex]
\(XCI_{2}\)
XCI
\(X_{2}CI\)

Ziegler Natta catalyst is used in the synthesis of polymers of a olefins. It is

\(TiCl_{4}+Al(C_{2}H_{5})_{3}\)
\(TiCl_{3}+Al(C_{2}H_{5})_{3}\)
\(TiCl_{2}+Al(C_{2}H_{5})_{3}\)
\(AlCl_{3}+Ti(C_{2}H_{5})_{3}\)

Assuming fully decomposed, what will be the volume of CO₂ released at STP on heating 9.85 g of BaCO₃? (Given: Atomic mass of Ba = 137)

4.06 L
2.24 L
1.12 L
0.84 L

The properly of an element which is always a whole number is:

Atomic volume
Atomic number
Atomic weight
Equivalent weight

What will be the number of molecules at NTP in 1 ml of an ideal gas?

\(2.69\times10^{19}\)
\(2.69\times10^{23}\)
\(6\times10^{23}\)
None of these

Benzyl methanamide
2-Phenyl ethanamide
Benzyl ethanamide
Phenylmethyl methanamide

In 2.2 gm of ____ , 1.24 gm P is present.

\(P_{2}S_{4}\)
\(PS_{2}\)
\(P_{2}S_{2}\)
\(P_{4}S_{3}\)

\(Ca^{2+}\) ion is isoelectronic with

\(Mg^{2+}\)
\(Na^{+}\)
Ar
Kr

Which of the following reagent is used to convert ?

Zn-Hg in HCI
\(PH_{3}P = CH_{2}\)
both a and b
None of these

Among the following metal halides, which have highest melting point

NaCI
NaF
Nal
NaBr

Find the number of molecules in 100 ml of each of \(O_3\) , \(NH_3\) and \(co_2\) at STP

The same

Phosphate of a metal M has a formula M₃(PO₄)₂. The formula for its sulphate will be

M\(SO_4\)
M\((SO_4)_2\)
M\(_2(SO_4)_3\)
M\(_3(SO_4)_2\)

Statement 1: If the molecular mass of B is ‘M’ then Molecular mass of A is \(\)\frac{M}{4}[/late

Statement 2: Vapor density of A is four times that of B

Both statement 1 and statement 2 are true and the statement 2 is the correct explanation of the statement 1.
Both statement 1 and statement 2 are true but statement 2 is not the correct explanation of the statement 1.
Statement 1 is true but statement 2 is false.
The statement 1 and statement 2 both are false.

The properly of an element which is not variable is:

Atomic weight
Valency
Equivalent weight
All of these

Which structure is linear ?

\(so_2\)
\(co_2\)
\(co_3^{2-}\)
\(SO_4^{2-}\)

Cycloketone reacting with NH₂OH gives B which further reacting with H₂SO₄ gives C. Find the product C and choose the correct option

Caprolactum
Cyclohexanone oxime
Aniline
Anilida

The oxide of a metal has 32% oxygen. What would be its equivalent weight?

8
17
32
34

A solution of 10 ml \(\frac{M}{10}\)FeS0₄ was titrated with KMnO₄ solution in acidic medium Find lhe amount of KMnO₄ used

10 ml of 0.02 M
10 ml of 0.5 M
10 ml of 1.1 M
5 ml of 0.1 M

Which among the following pair of species is isostructural?

\(PCI_5 \&IF_5\)
\(H_3O + \&NCI_3\)
\(SO_2 \& XeF_2\)
\(SO_3 \&XeO_3\)

Which of the following is not a lewis acid

\(SiF_4\)
\(C_2H_4\)
\(BF_3\)
[latex]FeCl_3[/latex]

An ester A with molecular formula \(C_{9}H_{10}O_{2}\)was treated with excess of \(CH_{3}MgBr\) and the complex so formed was treated with H₂SO₄ to give an olefin B ozonolysis of B gave a ketone will molecular formula \(C_{8}H_{9}C\) which shows positive iodoform test, the structure A is

\(C_{6}H_{5}COOC_{2}H_{5}\)
\(C_{6}H_{5}COOC_{6}H_{5}\)
\(C_{6}H_{5}COOCH_{3}\)
\(P- H_{3}CO-C_{6}H_{4}-COH_{3}\)

A black compound of manganese reacts with a halogen acid to give greenish yellow gas. When excess of this gas reacts with NH₃ an unstable trihalide is formed. In this process the oxidation state of nitrogen changes from

-3 to +3
-3 to zero
-3 to -5
0 to -3

For the reaction \(2A+B\rightarrow3C+D\) which of the following does not express the reaction rate?

-\(\frac{d[A]}{dt}\)
\(\frac{-d[C]}{3dt}\)
\(\frac{-d[B]}{dt}\)
\(\frac{d[D]}{dt}\)

Crystals of ______ and ______ are isomorphous.

\(PbSO_4, NiSO_4\)
\(ZnSO_4, MgSO_4\)
\(MgSO_4, CaSO_4\)
\(ZnS0_4, SnSO_4\)

Hydrogen combines with oxygen in which 16 g of oxygen combine with 2 g of hydrogen to form \(H_2O\) Hydrogen also combines with carbon to form \(CH_4\)in which 2 g of hydrogen combine with 6 g of carbon. If carbon and oxygen combine together then they will be in the ratio of:

12:24
1:2
6:18
6:16 or 12:32

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