Stoichiometry 11#Atomic Structure#Isobars1266Choose the best answerWhich pair consists of isobars?A¹²C and ¹⁴NB¹⁶O and ¹⁸OC³⁵Cl and ³⁷ClD⁴⁰Ca and ⁴⁰Ar Like 0 Discuss 0Share
StoichiometryMolar Volume at STP1267Choose the best answerIf 2 mol gaseous H atoms are treated as an ideal monatomic gas, what volume do they occupy at STP (273 K and 1 atm)?A11.2 LB44.8 LC2 LD22.4 L Like 0 Discuss 0Share
Sindh MDCAT 2020 Chemistry#Electrochemistry#Oxidation1268Choose the best answerDuring oxidation process, oxidation number of an element: (Sindh MDCAT 2020)ADecreasesBIncreasesCRemains constantDBoth A & B Like 0 Discuss 0Share
Alcohols and PhenolsBehaviour of Tertiary Alcohols over Heated Copper1269Choose the best answerPassing vapours of 2-methylpropan-2-ol over heated copper mainly gives:A2-MethylpropanalB2-MethylpropanoneC2-MethylpropeneD2-Methylpropanoic acid Like 0 Discuss 0Share
Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Quantum Numbers1270Choose the best answerIn an orbital diagram, ↑ and ↓ represent electrons with:AOpposite spin orientationsBDifferent principal quantum numbersCDifferent magnetic quantum numbersDDifferent azimuthal quantum numbers Like 0 Discuss 0Share