Home
Class 12
CHEMISTRY
Assertion (A) : SiF6^(-2-) is known whu...

Assertion (A) : `SiF_6^(-2-)` is known whut `SiCl_6^(2-)` is not
Reason (R) : Size of (F) is small and its loen paire of electrons interact whith d-orbitals of `Si` strongley .

A

STATEMENT-1 is True, STATEMENT-2 is True, STATEMENT-2 is a correct explanation for STATEMENT-1. (

B

STATEMENT-1 is True, STATEMENT-2 is True, STATEMENT-2 is NOT a correct explanation for STATEMENT-1

C

STATEMENT-1 is True, STATEMENT-2 is False

D

STATEMENT-1 is False, STATEMENT-2 is True

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Similar Questions

Explore conceptually related problems

Assertion: SiF_(6)^(2-) is known but SiCl_(6)^(2-) is not. Reason: Size of fluorine is small and its lone pair of electrons intersects with d-orbitals of Si strongly.

[SiF_(6)]^(2-) is known where as [SiCl_(6)]^(2-) not. Reason is

In SiF_6^(2-) and SiCl_6^(2-) , which one is known and why ?

Assertion SiF_(6)^(2-) anion exists but CF_(6)^(2-) does not Reasoning Si atom vacnat d-orbital while C-atom has not .

Assertion (A) : F-F bond in F_2 molecules is weak. Reason (R) : F Atom is small in size.

Assertion (A): Solution of AICI_(3) in water is neutral. Reason (R) : [AI(H_(2)O)_(6)]^(3+) is formed.

Assertion: F-F bond in F_2 is stronger than Cl-Cl bond in Cl_2 Reason: F atom is small in size than.

Assertion (A) : Silica is soluble in HF . Reason (R) : SiO_2 + 4HF rarr SiF_4 +2H_2 O SiF_4 + 2HF rarr H_2 SiF_6 .

Assertion (A) : B_(2)H_(6),Si2H_(6) are said to have similar structure . Reason (R) : They have same number of sigma and pi bonds.

Assertion: Among the halogens bond energy of F_(2) is minimum. Reason: Among halogens F atom is small in size.