1
NEET 2022 Phase 2
MCQ (Single Correct Answer)
+4
-1
Change Language

Match List-I with List-II :

List-I
(Molecules)
List-II
(Shape)
(a) NH$$_3$$ (i) Square pyramidal
(b) ClF$$_3$$ (ii) Trigonal bipyramidal
(c) PCl$$_5$$ (iii) Trigonal pyramidal
(d) BrF$$_5$$ (iv) T-shape

Choose the correct answer from the options given below :

A
(a) - (iii), (b) - (iv), (c) - (i), (d) - (ii)
B
(a) - (ii), (b) - (iii), (c) - (iv), (d) - (i)
C
(a) - (iii), (b) - (iv), (c) - (ii), (d) - (i)
D
(a) - (iv), (b) - (iii), (c) - (i), (d) - (ii)
2
NEET 2022 Phase 2
MCQ (Single Correct Answer)
+4
-1
Change Language

Which of the following reactions is a part of the large scale industrial preparation of nitric acid?

A
Cu(NO3)2 + 2NO2 + 2H2O $$\mathrel{\mathop{\kern0pt\longrightarrow} \limits_{\mathrm{500\,K,\,9\,bar}}^{\mathrm{Pt}}} $$ 4HNO3 + Cu
B
NaNO3 + H2SO4 $$\mathrel{\mathop{\kern0pt\longrightarrow} \limits_{\mathrm{500\,K,\,9\,bar}}^{\mathrm{Pt}}} $$ NaHSO4 + HNO3
C
4NH3 + 5O2 (from air) $$\mathrel{\mathop{\kern0pt\longrightarrow} \limits_{\mathrm{500\,K,\,9\,bar}}^{\mathrm{Pt}}} $$ 4NO + 6H2O
D
4HPO3 + 2N2O5 $$\mathrel{\mathop{\kern0pt\longrightarrow} \limits_{\mathrm{500\,K,\,9\,bar}}^{\mathrm{Pt}}} $$ 4HNO3 + P4O10
3
NEET 2022 Phase 2
MCQ (Single Correct Answer)
+4
-1
Change Language

Na2B4O7 $$\buildrel {heat} \over \longrightarrow $$ X + NaBO2

in the above reaction the product "X" is :

A
NaB3O5
B
H3BO3
C
B2O3
D
Na2B2O5
4
NEET 2022 Phase 2
MCQ (Single Correct Answer)
+4
-1
Change Language

One mole of an ideal gas at 300 K is expanded isothermally from 1 L to 10 L volume. $$\Delta$$U for this process is :

(Use R = 8.314 J k$$-$$1 mol$$-$$1)

A
0 J
B
1260 J
C
2520 J
D
5040 J
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