C₃H₉N cannot represent
C₃H₉N cannot represent
Options
(a) 1⁰ amine (b) 2⁰ amine (c) 3⁰ amine (d) quaternary ammonium salt
Correct Answer:
quaternary ammonium salt
Explanation:
Quaternary ammonium salt, as it carries a positive charge over […]
UGET2002
In laboratory burners , we use
In laboratory burners , we use
Options
(a) producer gas (b) oil gas (c) gobar gas (d) coal gas
Correct Answer:
oil gas
Explanation:
No explanation available. Be the first to write the […]
Which statement is correct
Which statement is correct
Options
(a) silicon hybride catches fire on exposure to air (b) silicon halides are not easily hydrolysed by water (c) silicon is not a semi conductor (d) silicon does […]
By passing air over red hot coke the gas obtained is
By passing air over red hot coke the gas obtained is
Options
(a) coal gas (b) water gas (c) oil gas (d) producer gas
Correct Answer:
producer gas
Explanation:
No explanation available. Be […]
The hydration energy of Mg²⁺ is greater than that of
The hydration energy of Mg²⁺ is greater than that of
Options
(a) Na⁺ (b) Be²⁺ (c) Mg³⁺ (d) Al³⁺
Correct Answer:
Na⁺
Explanation:
Hydration energy depends on charge of ion and ionic radius. […]
Salol is an
Salol is an
Options
(a) antipyretic (b) analgesics (c) antiseptic (d) antibiotic
Correct Answer:
antiseptic
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
The isomerism represented by ethyl acetoacetate is
The isomerism represented by ethyl acetoacetate is
Options
(a) keto-enol isomerism (b) geometrical isomerism (c) enantiomerism (d) diastereoisomerism
Correct Answer:
keto-enol isomerism
Explanation:
No explanation available. Be the first to write the explanation […]
Dumas method is used for the estimation of
Dumas method is used for the estimation of
Options
(a) carbon (b) halogens (c) sulphur (d) nitrogen
Correct Answer:
nitrogen
Explanation:
It is the method of estimating nitrogen by heating a known mass […]
The compound that does not produce blue colour in Lassaigne’s test is
The compound that does not produce blue colour in Lassaigne’s test is
Options
(a) Urea (b) Hydrazine (c) Aniline (d) Glycine
Correct Answer:
Hydrazine
Explanation:
No explanation available. Be the first to write […]
Which of the following statement concerning lanthanides elements is fals
Which of the following statement concerning lanthanides elements is fals
Options
(a) All lanthanides are highly dense metals (b) More characteristic oxidation state or lanthanides elements is +3 (c) Lanthanides are separated from […]