In which of the following cyclic chain is the main chain?
Ring has double bond. Side chain inspite of double bond has less number of carbon atoms.
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A compound used in making nylon, is 43.8% oxygen. There are four oxygen atoms per molecule. What is the molecular weight of compound ?
100g compound contains 43.8 oxygen; 1g oxygen present with 100/43.8g adipic acid 16×4g or 4 mole oxygen present with 100/43.8×16×≃146g... View Article
the acid obtained where p446 reacts with water is
Phosphoric acid is formed when P4O6 interacts with water. Phosphorus trioxide is the chemical name for P4O6. It’s made by... View Article
Bleaching action of so₂ is due to:
Reduction. Bleaching agents include sulphur dioxide and chlorine. However, chlorine’s bleaching activity is based on oxidation, whereas sulphur’s is based... View Article
is aqueous solution of sodium lauryl sulphate a macromolecular colloid?
Multimolecular colloids are formed when large atoms or small molecules with a size smaller than 1 nm mix in a... View Article
How many monochlorinated products can be obtained from all the isomeric alkanes having the formula C5H10 (excluding stereoisomers)?
Total fourteen monochlorinated products can be obtained from all the isomeric alkanes having the formula C5H10 (excluding stereoisomers). Total number... View Article
c8h18 all isomers
C8H18 is Octane. Octane has a total 18 isomers. Octane 2-Methyl heptane 3-Methyl heptane 4-Methyl heptane 2, 2-Dimethyl hexane 2,... View Article
zincite is a carbonate ore
Zincite is a mineral that is made up of zinc oxide (ZnO). Its crystal form is uncommon in nature; however,... View Article
smoke is an example of mcq
Solid dispersed in liquid Solid dispersed in gas Liquid dispersed in gas Gas dispersed in liquid Answer: Smoke is an... View Article
malonic acid on dehydration with 410pogives an oxide, which is
Malonic acid creates pyrophosphoric acid and tricarbon dioxide when it combines with phosphorus pentoxide. This is the chemical equation for... View Article
h2o2 acts as when react with ozone
H2O2 + O3 → H2O + 2O2 Reducing agent: Since ozone is a much better oxidising agent. Hydrogen peroxide is... View Article
bf3 on partial hydrolysis
BF3 undergoes in partial hydrolysis. Reason. Due to strong back bonding in BF3 only two flouride groups have come out... View Article
Aromatization of hexane is carried out by
The n-hexane is initially treated with vanadium oxide or chromium (III) oxide during the aromatization process. A cyclic hexane or... View Article
5 2 ethylbutyl 3 3 dimethyl decane structure
The structure of 5 – (2 – Ethyl butyl) – 3, 3 – dimethyl decane is given below.
Species in which hyperconjugation does not occur is CH3CH2, (CH3)2CH^+, CH3CH=CH2, (CH3)3C−CH2+
CH3CH2, (CH3)2CH+, CH3CH=CH2, (CH3)3C−CH2+ Answer: Hyper conjugation is not shown by compounds which do not have hydrogen attached to adjacent... View Article
Which platinum complex is used in cancer chemotherapy
cis[PtCl2(NH3)2] is used in cancer chemotherapy. Platinum complexes are utilised in the treatment of cancer patients through the use of... View Article
Mg_(2)C_(3) reacts with water forming propyne. C_(3)^(4-) has
(C−2=C=C−2) has two sigma and two pi bonds.
In which of the following species p pi – d pi bond is present but p pi – p pi bond is absent? SiH4, CS2, SO2, SO2Cl2
SiH4, CS2, SO2, SO2Cl2 Answer SO2Cl2 The tetrahedral structure of SO2Cl2 is made up of two oxygen atoms double bound... View Article
Tungsten is used in electric bulb because mcq
Tungsten is used for the manufacture of the filament of an electric bulb because it has a very high melting... View Article
Two non-reactive monoatomic ideal gases have their atomic masses in the ratio (2 : 3). The ratio of their partial pressure, when enclosed in a vessel kept at a constant temperature, is (4 : 3). The ratio of their densities is :
Pm = dRTTherefore,P1m1/P2m2 = d1/d2 (At constant temperature)4×2/3×3 = d1/d2D1:d2 = 8:9
