NHCommunities are _________ collection of organism.
A. Static B. Dynamic C. Biosphere D. Random Right Answer: B. Dynamic
Category: Chemistry
Chemistry Mcqs with Answers solved online.
Tetraethyl lead is prepared by reacting ethyl bromide with?
A. Pb B. Pd C. Na4Pb D. NH3 Right Answer: C. Na4Pb
/Which one among the following is good leaving group?
A. OH– B. Cl– C. F– D. I– Right Answer: D. I–
Which one is mono haloalkane?
A. CH2Cl2 B. CHCl3 C. Ch3 – CH3 – CH2 – Cl D. CCl4 Right Answer: C. Ch3 – CH3 – CH2 – Cl
Thioalcohol is prepared when alkyl halide is reacted with?
A. OH– B. SH– C. NO–2 D. I– Right Answer: C. NO–2
Which pair of halogens is present in halothanes?
A. F, I B. F, Cl C. F, At D. Cl, I Right Answer: B. F, Cl
When alkyl halide reacts with sodium metal in the presence of ether. Which product is formed?
A. Alkane with even number carbons B. Alkane with odd number carbons C. Alkene D. Alcohol Right Answer: A. Alkane with even number carbons
Which compound is most reactive?
A. (CH3)3 CCl B. (CH3)2 CHCl C. CH3CH2Cl D. All have same reactivity Right Answer: A. (CH3)3 CCl
In β – Elimination the resulting product is?
A. Alcohol B. Alkyl halide C. Alkane D. Alkene Right Answer: D. Alkene
SN1 reactions are favoured in which solvent?
A. Non polar B. Slightly polar C. Polar D. Solvents Right Answer: C. Polar