The IUPAC name of pyridines is__________?
The IUPAC name of pyridines is__________?
A. Azolo
B. Azine
C. Azolidins
D. Diazine
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Sommerfelds modification in Bohrs model is_______________?
Sommerfelds modification in Bohrs model is_______________?A. Orbit is cylindrical
B. Orbit is elliptical
C. Orbit is longitudinal
D. Orbit is asymmetricalWhich is artificial manmade fiber?
Which is artificial manmade fiber?A. Boron
B. Saffron
C. Rayon
D. None of theseWhich of the following shows inert pair effect ?
Which of the following shows inert pair effect ?A. boron
B. carbon
C. silicon
D. tinWhich of the elements show passivity when treated with conc. HNO3?
Which of the elements show passivity when treated with conc. HNO3?A. Fe
B. A
C. Cr
D. All of the aboveOxidation state +1 for phosphorous is found in___________?
Oxidation state +1 for phosphorous is found in___________?A. H3PO3
B. H3PO4
C. H3PO2
D. H2P2O7Chlorination of toluene in the presence of sublight produces_________________?
Chlorination of toluene in the presence of sublight produces_________________?A. Benzyl chloride
B. o – chlorotoluene
C. p – chlorotoluene
D. benzoic acid