TS EAMCET · Chemistry · p Block Elements (Group 13 & 14)

Match the following.

Column $i$ Column $ii$

A ${SO}_{2}$ $I$ Photochemical smog

B PAN $II$ Acid rain

C Smoke $III$ Stratospheric pollutant

D ${CF}_{2} {Cl}_{2}$ $IV$ Particulate

A A B C D $IV$ $III$ $I$ $II$
B A B C D $III$ $I$ $IV$ $II$
C A B C D $IV$ $I$ $III$ $II$
D A B C D $II$ $I$ $IV$ $III$

Verified Solution

Answer & Solution

Correct Answer

(D) A B C D $II$ $I$ $IV$ $III$

Step-by-step Solution

Detailed explanation

1) SO2: Acid rain, some polluting gases (especially nitrogen oxides and sulphur dioxide) react with the tiny droplets of water in clouds to form sulphuric and nitric acids. The rain from these clouds then falls as acid rain. 2) PAN: Photochemical smog, Peroxyacetyl…

Apply the relevant identity from the chapter and substitute the values established in the previous step, keeping the original constraint in view.

Use the simplified expression to isolate the unknown, then plug the result back into the question setup to confirm the working is internally consistent.

Cross-check against a boundary or limiting case. Both the dimensional balance and the qualitative behaviour at the extreme should agree with the candidate answer.

Combine the steps above to identify the correct option. The remaining choices each fail at least one of the consistency, dimensional, or boundary checks.

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	Column $i$		Column $ii$
A	${SO}_{2}$	$I$	Photochemical smog
B	PAN	$II$	Acid rain
C	Smoke	$III$	Stratospheric pollutant
D	${CF}_{2} {Cl}_{2}$	$IV$	Particulate

Match the following. Column i Column ii A SO2 I Photochemical smog B PAN II Acid rain C Smoke III Stratospheric pollutant D CF2Cl2 IV Particulate

Step-by-step Solution

Match the following.

Column $i$ Column $ii$

A ${SO}_{2}$ $I$ Photochemical smog

B PAN $II$ Acid rain

C Smoke $III$ Stratospheric pollutant

D ${CF}_{2} {Cl}_{2}$ $IV$ Particulate