MH SET 2020 Paper 2 Chemical Sciences Question Paper (27-Dec-2020)

Question 1

The bond length of the tetrachlorides for the following Group IV elements follows the order :

Accepted Answer

GeCl4 > SiCl4 > CCl4

Answer

SiCl4 > CCl4 > GeCl4

Answer

SiCl4 > GeCl4 > CCl4

Answer

GeCl4 > CCl4 > SiCl4

Question 2

In the reactions(i) nH2O + Cl&ndash; &rarr; [Cl(H2O)n]&ndash;(ii) 6H2O + Mg2+ &rarr; [Mg(H2O)6]2+water acts as :

Accepted Answer

an acid in (i) and base in (ii)

Answer

an acid in both (i) and (ii)

Answer

base in (i) and acid in (ii)

Answer

base in both (i) and (ii)

Question 3

Carbon monoxide (CO) is isoelectronic with :

Accepted Answer

N2

Answer

O2

Answer

NO

Answer

CN+

Question 4

Which of the following statements regarding solubility of LiF and LiI in water at room temperature is correct ?

Accepted Answer

LiI is more soluble than LiF

Answer

Both are equally soluble

Answer

Both are insoluble

Answer

LiF is more soluble than LiI

Question 5

The hydrogen bond strength in(i) O&mdash;H.....O(ii) O&mdash;H.....Cl(iii) O&mdash;H.....Nwill follow the order :

Accepted Answer

(i) > (iii) > (ii)

Answer

(ii) > (i) > (iii)

Answer

(i) = (ii) > (iii)

Answer

(i) < (ii) > (iii)