Chemistry - Complete Pblock- Question with Solution | TestHub

ChemistryComplete Pblock-p-Block 17,18Easy2 minPYQ_2020
ChemistryEasysingle choice

Pick out the incorrect statement regarding halogens.

Options:

Answer:
C
Solution:

Cl2reacts with cold dilute NaOH solution to form NaCl and NaOCl.

2NaOH+Cl2NaCl+NaClO+H2O

Cl2form s NaCl andNaClO3only above75°C

6NaOH+3Cl25NaCl+NaClO3+3H2O

A.Cl2aq+2H2OH3O++Cl-+HOCl

B.6NaOH+3X25NaX+NaXO3+3H2;X=Br,I

D. It is thought thatI2molecules reside inside the spiral structure of starch molecule giving deep blue colour.

Stream:NTA_ABHYASSubject:ChemistryTopic:Complete Pblock-Subtopic:p-Block 17,18
2mℹ️ Source: PYQ_2020

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