Statement (A) : Gold exhibits two valencies 2 and 3.
Statement (B) : Tin exhibits two valences 2 and 3.
Statement (C) : Mercury exhibits two valences 3 and 4.

see full answer

Take the SCORE scholarship exam from home and compete for scholarships worth ₹1 crore!*

An Intiative by Sri Chaitanya

A and B are correct but C is incorrect

All the above statements are incorrect

A and B are incorrect but C is correct

All the above statements are correct

answer is B.

(Unlock A.I Detailed Solution for FREE)

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Detailed Solution

All the above statements are incorrect

Explanation:

Valency of Gold (Au): Gold typically exhibits valencies of +1 and +3 in its compounds, such as AuCl (gold(I) chloride) and AuCl₃ (gold(III) chloride). It does not commonly exhibit a valency of 2.
Valency of Tin (Sn): Tin exhibits valencies of +2 and +4 in its compounds, such as SnCl₂ (tin(II) chloride) and SnCl₄ (tin(IV) chloride). It does not exhibit a valency of 3.
Valency of Mercury (Hg): Mercury exhibits valencies of +1 and +2 in its compounds, such as Hg₂Cl₂ (mercury(I) chloride) and HgCl₂ (mercury(II) chloride). It does not exhibit valencies of 3 or 4.

Watch 3-min video & get full concept clarity