Which of the following shows inert pair effect ?
Which of the following shows inert pair effect ?
A. boron
B. carbon
C. silicon
D. tin
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Anything which increases rate of reaction without being involved in the reaction________________?
Anything which increases rate of reaction without being involved in the reaction________________?A. Promoter
B. Catalyst
C. Inhibitor
D. All of the above__________ is one of the allotropic modifications of carbon.
__________ is one of the allotropic modifications of carbon.A. Silicon
B. Diamond
C. Iodine
D. GraphiteWhat is the molecular weight of Ammonia (NH3) ________ ?
What is the molecular weight of Ammonia (NH3) ________ ?A. 17.031 g/mol
B. 18.031 g/mol
C. 19.031 g/mol
D. 27.033 g/molWhich is true about Zn-Cu galvanic cell ?
Which is true about Zn-Cu galvanic cell ?A. Reduction occurs at anode
B. K+ ion transfer from salt bridge to left beaker of ZnSO4
C. Oxidation occurs at cathode
D. Anode is negatively chargedThe number of ions produced by [Pt(NH3)]Cl2?
The number of ions produced by [Pt(NH3)]Cl2?A. 4
B. 2
C. 3
D. 5The number of moles of CO2 which contains 16 g of oxygen is__________________?
The number of moles of CO2 which contains 16 g of oxygen is__________________?A. 0.25
B. 0.5
C. 0.75
D. 1