Question 1

Which one of the following oxide is more basic?

Accepted Answer

SrO

Answer

CaO

Answer

BeO

Answer

MgO

Question 2

Which one of the following elements is not an alkali metal

Accepted Answer

Sr

Answer

Cs

Answer

Fr

Answer

Na

Question 3

The chief ore of aluminum is ‘
Al2O3
Al2O3. H20
Al2O3. 2H20

Accepted Answer

$Al_2O_3. 2H_20$

Answer

$Al_2O_3. H_20$

Answer

$Na_3AlF_6$

Answer

$Al_2O_3$

Question 4

Which of the following species has two unpaired electron	
O2
O2-1
O2+1
O2-2

Accepted Answer

$O_2^-2$

Answer

$O_2$

Answer

$O_2^+1$

Answer

$O_2^-1$

Question 5

The state of hybridization of carbon in ethylene is

Accepted Answer

Sp

Answer

$sp^3$

Answer

$sp^2$

Answer

$dsp^2$

Question 6

The strongest halogen acid in solution is

Accepted Answer

HI

Answer

HCl

Answer

HBr

Answer

HF

Question 7

The compound which react with Tollens reagent

Accepted Answer

HCOH

Answer

$CH_3.CO.C_2H_5$

Answer

$CH_3COCH_3$

Answer

$CH_3. COOH$

Question 8

Which of the following is a synthetic polymer

Accepted Answer

Polyester

Answer

Cellulose

Answer

Starch

Answer

Animal fat

Question 9

Which of the following element is not present in all proteins

Accepted Answer

Sulphur

Answer

Nitrogen

Answer

Hydrogen

Answer

Carbon

Question 10

Oxidation state of Cu in $K_2[Cu(CN)_4]$ is

Accepted Answer

+2

Answer

+3

Answer

+6

Answer

+4

Question 11

Molecular formula of benzylchloride is

Accepted Answer

$C_6H_5CH_2Cl$

Answer

$C_6H_5HCl_3$

Answer

$C_6H_5CCl_3$

Answer

$C_6H_5CH_2.CH_2Cl$

Question 12

Peroxyacetylnitrate is an irritant to human beings and it effects

Accepted Answer

Eyes

Answer

Ears

Answer

Nose

Answer

Stomach

Question 13

Which one of the following is not a nucleophile?

Accepted Answer

$BCl_3$

Answer

$H_2S$

Answer

$NH_3$

Answer

$H_2O$

Question 14

The reagent used to reduce carboxylic acid into an alcohol is

Accepted Answer

$LiAlH_4$

Answer

$H_2/Pt$

Answer

$NaBH_4$

Answer

$H_2/Ni$

Question 15

Which is more soluble compound in water

Accepted Answer

Methanol

Answer

1-propanol

Answer

n- hexanol

Answer

Phenol

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