Assertion (A): The symbol of cobalt is Co and not CO, CO represents a molecule of carbon monoxide: Reason (R ): The first letter of the symbol is always capital while the second one is always small.
A
Both assertion and reason are correct and reason is the correct explanation of assertion
B
Both assertion and reason are correct and reason is not the correct explanation of assertion
C
Assertion is correct and Reason is incorrect
D
Assertion is incorrect and Reason is correct
Text Solution
AI Generated Solution
Topper's Solved these Questions
BASICS OF CHEMISTRY
BEIITIANS|Exercise CONCEPTIVE WORKSHEET|47 Videos
BASICS OF CHEMISTRY
BEIITIANS|Exercise SUMMATIVE WORKSHEET|30 Videos
WATER
BEIITIANS|Exercise IIT JEE WORKSHEET|5 Videos
Similar Questions
Explore conceptually related problems
Assertion : The formula of sodium carbonate is Na_2CO_3 . Reason : Na is divalent, CO_3 is monovalent.
Assertion (A) : Principal value of cos^(-1)(1) is pi Reason (R ) : Value of cos 0 is 1
Assertion (A) : Excess amount of CO , in air is responsible for green house effect. Reason (R) : CO_(2) is largely produced in respiratory functions.
Assertion (A) : Reaction of CO with O_(2) is slower than that between NO and O_(2) Reason (R) : E_("act") for the first reaction is higher than that of the second reaction.
Assertion (A) : The presence of CO_(2) in the air accelerates corrosion. Reason (R): CO_(2) is a poisonous gas.
Assertion (A) : CO_2 is lindare Reason (R) : C is not in sp- hybridsed state .
Assertion (A) The carbonate of lithium decomposes easily on heating to form lithium oxide and CO_(2) . Reason (R) Lithium being very small in size polarises large carbonate ion leading to the formation of more stable Li_(2)O and CO_(2) .