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JEE Main 202127 JulyEvening Shift
Exam
JEE Main
Year
2021
Date
27 July
Shift
Evening Shift
Subject
Chemistry
Chapter
s Block Elements

JEE Main 2021 · 27 July · Evening Shift · Chemistry · s Block Elements

Match List - I with List II : List-I List-II a Li i photoelectric...

Match List - I with List II :

List-I List-II
a Li i photoelectric cell
b Na ii absorbent of CO2{CO}_{2}
c K iii coolant in fast breeder nuclear reactor
d Cs iv treatment of cancer
v bearings for motor engines

Choose the correct answer from the options given below:

Options

  1. A(a)−(v),(b)−(i),(c)−(ii),(d)−(iv)( a ) -( v ),( b )-( i ),( c )-( ii ),( d )-( iv )
  2. B(a)−(v),(b)−(ii),(c)−(iv),(d)−(i)( a ) -( v ),( b )-( ii ),( c )-( iv ),( d )-( i )
  3. C(a)−(iv),(b)−(iii),(c)−(i),(d)−(ii)( a ) - ( iv ), ( b ) - ( iii ), ( c ) - ( i ), ( d ) - ( ii )
  4. D(a)−(v),(b)−(iii),(c)−(ii),(d)−(i)( a ) - ( v ), ( b ) - ( iii ), ( c ) - ( ii ), ( d ) - ( i )

Correct answer

D. (a)−(v),(b)−(iii),(c)−(ii),(d)−(i)( a ) - ( v ), ( b ) - ( iii ), ( c ) - ( ii ), ( d ) - ( i )

Step-by-step solution

Li makes alloy with Lead to make white metal, bearings for motor engines. Liquid Na metal is used as coolant in fast breeder nuclear reactor. KK is a very absorbent of CO2{CO}_{2}. CsCs is used in making photoelectric cell.
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