1
JEE Main 2022 (Online) 29th July Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Given below are two statements.

Statement I : Stannane is an example of a molecular hydride.

Statement II : Stannane is a planar molecule.

In the light of the above statement, choose the most appropriate answer from the options given below.

A
Both Statement I and Statement II are true.
B
Both Statement I and Statement II are false.
C
Statement I is true but Statement II is false.
D
Statement I is false but Statement II is true.
2
JEE Main 2022 (Online) 29th July Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Which of the following $$3\mathrm{d}$$-metal ion will give the lowest enthalpy of hydration $$\left(\Delta_{\text {hyd }} \mathrm{H}\right)$$ when dissolved in water ?

A
$$\mathrm{Cr}^{2+}$$
B
$$\operatorname{Mn}^{2+}$$
C
$$\mathrm{Fe}^{2+}$$
D
$$\mathrm{Co}^{2+}$$
3
JEE Main 2022 (Online) 29th July Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Octahedral complexes of copper(II) undergo structural distortion (Jahn-Teller). Which one of the given copper (II) complexes will show the maximum structural distortion? (en - ethylenediamine; $$\mathrm{H}_{2} \mathrm{~N}_{-} \mathrm{CH}_{2}-\mathrm{CH}_{2}-\mathrm{NH}_{2}$$)

A
$$\left[\mathrm{Cu}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6}\right] \mathrm{SO}_{4}$$
B
$$\left[\mathrm{Cu}(\mathrm{en})\left(\mathrm{H}_{2} \mathrm{O}\right)_{4}\right] \mathrm{SO}_{4}$$
C
cis-$$\left[\mathrm{Cu}\left(\mathrm{en})_{2} \mathrm{Cl}_{2}\right]\right.$$
D
trans-$$\left[\mathrm{Cu}\left(\mathrm{en})_{2} \mathrm{Cl}_{2}\right]\right.$$
4
JEE Main 2022 (Online) 29th July Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Correct structure of $$\gamma$$-methylcyclohexane carbaldehyde is

A
JEE Main 2022 (Online) 29th July Evening Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 88 English Option 1
B
JEE Main 2022 (Online) 29th July Evening Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 88 English Option 2
C
JEE Main 2022 (Online) 29th July Evening Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 88 English Option 3
D
JEE Main 2022 (Online) 29th July Evening Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 88 English Option 4
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