1.

Select the proper choice by true statement by symbol "T" and false statement by symbol "F". (i) Perchloric acid is weaker than chloric acid. (ii) HF is stronger acid than HCl. (iii) NH_3 is weaker base than PH_3. (iv) All noble gases exist as monoatomic.

Answer»

FTFT
TFFT
FFFT
FTFF

Answer :C


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