Description : Sulphur trioxide can be obtained by which of the following reactions :
Last Answer : Sulphur trioxide can be obtained by which of the following reactions : A. `S + H_(2)SO_(4) overset(Delta) ... `Fe_(2) (SO_(4))_(3) overset(Delta)rarr`
Description : The number of S-S bonds in sulphur trioxide trimer `(S_(3)O_(9))` is
Last Answer : The number of S-S bonds in sulphur trioxide trimer `(S_(3)O_(9))` is A. three B. two C. one D. zero
Description : The number of S-S bonds in sulphur trioxide trimer `(gamma-form)` is:
Last Answer : The number of S-S bonds in sulphur trioxide trimer `(gamma-form)` is: A. three B. two C. zero D. one
Last Answer : The number of S-S bonds in sulphur trioxide trimer `(S_(3)O_(9))` is A. Three B. Two C. One D. Zero
Description : Number of `S-O-S` bonds and hybridisation of sulphur in `gamma`-form of sulphur trioxide?
Last Answer : Number of `S-O-S` bonds and hybridisation of sulphur in `gamma`-form of sulphur trioxide? A. `3,sp^(2)` B. `2,sp^(2)` C. `3,sp^(3)` D. `0,sp^(3)`
Description : Sulphur trioxide is dissolved in heavy water to form a compound X. The hybridisation state of sulphur in X is
Last Answer : Sulphur trioxide is dissolved in heavy water to form a compound X. The hybridisation state of sulphur in X is A. `SP^ ... `SP^(3)` C. SP D. `dSP^(2)`
Description : Polythene (low or high density) containers are not corroded by (A) Sulphuric acid (10%) at room temperature (B) Nitric acid (95%) at room temperature (C) Sulphur trioxide at 60°C (D) Any of these
Last Answer : (A) Sulphuric acid (10%) at room temperature
Description : Pick out the wrong statement. (A) Conversion of SO2 to SO3 in Monsanto-4 pass converter is about 98% (B) The chemical formula of oleum is H2S2O7 , which is formed by saturating ... but technical sulphuric acid (D) Decomposition of sulphuric acid on heating does not start before its boiling
Last Answer : (D) Decomposition of sulphuric acid on heating does not start before its boiling
Description : Sulphuric acid completely saturated with sulphur trioxide is called (A) Concentrated sulphuric acid (B) Oleum (C) Sulphurous acid (D) Dilute sulphuric acid
Last Answer : (A) Concentrated sulphuric acid
Description : The law of multiple proportions is illustrated by the two compounds [NCERT 1972] (A) Sodium chloride and sodium bromide (B) Ordinary water and heavy water (C) Caustic soda and caustic potash (D) Sulphur dioxide and sulphur trioxide
Last Answer : (D) Sulphur dioxide and sulphur trioxide
Last Answer : Chemical signal of sulfur trioxide SO3
Description : What is the equation when dicarbon trioxide reacts with water?
Last Answer : This oxide doesn't exist.
Description : What is carbon trioxide?
Last Answer : What is the answer ?
Description : Vitamin E protects the polyunsaturated fatty acids from oxidation by molecular oxygen in the formation of (A) Superoxide (B) Peroxide (C) Trioxide (D) All of these
Last Answer : Answer : B
Description : Laughing gas is – (1) Nitric oxide (2) Nitrous oxide (3) Nitrogen trioxide (4) Nitrogen pentoxide
Last Answer : (2) Nitrous oxide Explanation: Laughing gas is Nitrous Oxide (N2O).
Description : The 'laughing gas' is (A) Nitrous oxide (B) Nitric oxide (C) Nitrogen trioxide (D) Nitrogen pentoxide
Last Answer : (A) Nitrous oxide
Description : The use and transfer of energy in all cells involves the same compound, ATP. The letters ATP stand for the chemical: a) atrophine trichloride b) aluminum trioxide c) adenosine triphosphate d) none of the above
Last Answer : ANSWER: C -- ADENOSINE TRIPHOSPHATE
Description : Laughing gas is (1) Nitric oxide (2) Nitrous oxide (3) Nitrogen trioxide (4) Nitrogen pentoxide
Last Answer : Nitrous oxide
Description : Which of the following elements is obtained from the sea algae? (1) Argon (2) Sulphur (3) Vanadium (4) Iodine
Last Answer : (4) Iodine Explanation: Fusus vesiculosus is a brown seaweed and is also known as bladder wrack or red algae, according to the National Institutes of Health (NTH). Red marine algae ... dietary supplements. The high iodine content in red marine algae can lead to hypothyroidism or hyperthyroidism.
Description : Which of the following elements is obtained from sea weeds? (1) Iodine (2) Vanadium (3) Argon (4) Sulphur
Last Answer : (1) Iodine Explanation: Seaweed is rich in iodine, a trace element essential for healthy thyroid function and a healthy metabolism. Iodine is particularly vital for pregnant and lactating women. Seaweed also contains zinc and anti-okidants, which help strengthen immunity.
Description : Which of the following elements is obtained from sea weeds? (1) Argon (2) Sulphur (3) Vanadium (4) Iodine
Last Answer : (4) Iodine Explanation: Ribbon seaweeds(sp. laminaria) contain iodine compounds which they obtain by extracting iodide ions from seawater.
Description : Pick up the correct statement from the following: (A) Steel produced by open hearth process is milder than that obtained by the Bessemer process (B) Engineers prefer open hearth steel ... is suitable for converting poor ore containing a large proportion of sulphur and phosphorus into steel
Last Answer : Answer: Option D
Description : Which of the following elements is obtained from the sea algae ? (1) Argon (2) Sulphur (3) Vanadium (4) Iodine
Last Answer : Iodine
Description : Which of the following elements is obtained from sea weeds ? (1) Iodine (2) Vanadium (3) Argon (4) Sulphur
Description : The product P obtained through the following sequence of reactions is
Last Answer : The product P obtained through the following sequence of reactions is A. 3-chloroaniline ... C. 3-bromochlorobenzene D. 3-bromoaniline
Description : In which of the following reactions phenol is not obtained :
Last Answer : In which of the following reactions phenol is not obtained : A. B. C. D.
Description : What is the major product obtained from the following reactions ? `CH_(3)COCH_(2)COOH overset("heat")to` product
Last Answer : What is the major product obtained from the following reactions ? `CH_(3)COCH_(2)COOH overset("heat")to` ... -overset(OH)overset(|)(C)=CH_(2)` D.
Description : What is the major product obtained from the following reactions ? `HOCH_(2)overset(O)overset(||)(C)OH overset(SOCl_(2))to overset(CH_(3)OH)to`
Last Answer : What is the major product obtained from the following reactions ? `HOCH_(2)overset(O)overset(||)(C)OH overset( ... )COOCH_(3)` D. `CH_(3)COCH_(2)COOH`
Description : The acid D obtained through the following sequence of reactions is: `C_(2)H_(5)Br overset(Alc. KOH)rarrA overset(Br_(2))underset(C Cl_(4))rarrBoverset
Last Answer : The acid D obtained through the following sequence of reactions is: `C_(2)H_(5)Br overset(Alc. KOH) ... B. Malonic acid C. Maleic acid D. Oxalic acid
Description : This plant species gives off secretions called Tabasheer which are 97% silica. It is claimed that this is a cure for coughs, asthma and is also an aphrodisiac. It is also true that Tabasheer is chemically inert, but may catalyse some chemical reactions. Where is Tabasheer normally obtained from?
Last Answer : Bamboo.