Organic Chemistry
Some Basic Concepts of Organic Chemistry
MCQ (Single Correct Answer)MCQ (Multiple Correct Answer)
Alcohol, Phenols and Ethers
MCQ (Single Correct Answer)
Aldehydes, Ketones and Carboxylic Acids
MCQ (Single Correct Answer)MCQ (Multiple Correct Answer)
Organic Compounds Containing Nitrogen
MCQ (Single Correct Answer)
Chemistry in Everyday Life
MCQ (Single Correct Answer)
1
NEET 2022 Phase 2
MCQ (Single Correct Answer)
+4
-1

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

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

in the above reaction the product "X" is :

A
NaB3O5
B
H3BO3
C
B2O3
D
Na2B2O5
3
NEET 2022 Phase 1
MCQ (Single Correct Answer)
+4
-1

Match List-I with List-II.

List - I
(Hydrides)
List - II
(Nature)
(a) MgH$$_2$$ (i) Electron precise
(b) GeH$$_4$$ (ii) Electron deficient
(c) B$$_2$$H$$_6$$ (iii) Electron rich
(d) HF (iv) Ionic

Choose the correct answer from the options given below:

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

Which of the following statement is not correct about diborane?

A
There are two 3-centre-2-eletron bonds.
B
The four terminal B-H bonds are two centre two electron bonds.
C
The four terminal Hydrogen atoms and the two Boron atoms lie in one plane.
D
Both the Boron atoms are sp2 hybridised.
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