V Vikash Gupta π Tutor III β 33.56K Points π Pharmaceutical Organic Chemistry 1 Q. In the dichlorination reaction of propane, mixture of products are obtained. How many isomers, the mixture contains………… (A) 2 (B) 3 (C) 4 (D) 5 ποΈ Show Answer π¬ Discuss π Share β‘Menu β Correct Answer: (C) 4
V Vijay Sangwan π Mover β 28.62K Points π Pharmaceutical Organic Chemistry 1 Q. Which is the best antiknock compound or Which one of the following substances is used as an antiknock compound …………… (A) Lead tetrachloride (B) Lead acetate (C) Zinc ethyl (D) Tetraethyl lead (TEL) ποΈ Show Answer π¬ Discuss π Share β‘Menu β Correct Answer: (D) Tetraethyl lead (TEL)
A Admin π Coach β 38.23K Points π Pharmaceutical Organic Chemistry 1 Q. Most of the hydrocarbons from petroleum are obtained by……………. (A) Fractional distillation (B) Fractional crystallization (C) Vaporization (D) Polymerization ποΈ Show Answer π¬ Discuss π Share β‘Menu β Correct Answer: (A) Fractional distillation
A Admin π Coach β 38.23K Points π Pharmaceutical Organic Chemistry 1 Q. A mixture of ethyl iodide and n-propyl iodide is subjected to Wurtz reaction. The hydrocarbon that will not be formed is………….. (A) n-butane (B) n-propane (C) n-pentane (D) n-hexan ποΈ Show Answer π¬ Discuss π Share β‘Menu β Correct Answer: (B) n-propane
R Rakesh Kumar π Hard Worker β 28.44K Points π Pharmaceutical Organic Chemistry 1 Q. Which of the following has highest octane number………….. (A) n-hexane (B) n-heptane (C) Iso-octane (D) n-heptane and iso-octane mixed in ratio 50 : 50 ποΈ Show Answer π¬ Discuss π Share β‘Menu β Correct Answer: (C) Iso-octane
R Ram Sharma π Coach β 193.88K Points π Pharmaceutical Organic Chemistry 1 Q. Which of the following is not linked with methane…………. (A) Marsh gas (B) Natural gas (C) Producer gas (D) Coal gas ποΈ Show Answer π¬ Discuss π Share β‘Menu β Correct Answer: (C) Producer gas
P Priyanka Tomar π Tutor III β 35.28K Points π Pharmaceutical Organic Chemistry 1 Q. Isomerism in saturated hydrocarbons is due to………….. (A) Change in the valence of carbon (B) Change in the ratio of elements in compounds (C) Formation of branches in the chain of C atoms (D) Formation of double bond ποΈ Show Answer π¬ Discuss π Share β‘Menu β Correct Answer: (C) Formation of branches in the chain of C atoms
P Priyanka Tomar π Tutor III β 35.28K Points π Pharmaceutical Organic Chemistry 1 Q. Product obtained by nitration of propane is ……………. (A) Nitropropane (B) Nitromethane (C) Nitroethane (D) All of these ποΈ Show Answer π¬ Discuss π Share β‘Menu β Correct Answer: (D) All of these
R Rakesh Kumar π Hard Worker β 28.44K Points π Pharmaceutical Organic Chemistry 1 Q. By Wurtz reaction, a mixture of methyliodide and ethyliodide gives…………. (A) Butane (B) Ethane (C) Propane (D) A mixture of the above three ποΈ Show Answer π¬ Discuss π Share β‘Menu β Correct Answer: (D) A mixture of the above three
R Ram Sharma π Coach β 193.88K Points π Pharmaceutical Organic Chemistry 1 Q. The inorganic origin of petroleum is indicated by the fact that………….. (A) Its constituents can be separated by fractional distillation (B) Carbon and hydrocarbon can combine by absorption of solar energy to give hydrocarbons (C) Petroleum contains traces of chlorophyll (D) Oil fields are located with the help of seismograph ποΈ Show Answer π¬ Discuss π Share β‘Menu β Correct Answer: (B) Carbon and hydrocarbon can combine by absorption of solar energy to give hydrocarbons